# Hacking Demand Tools > Free growth marketing tools that run entirely in the visitor's browser. No account, no API calls, no data sent to a server. Every tool composes its output from curated pattern libraries and arithmetic, client side. ## About Published by Hacking Demand (https://hackingdemand.com). Last updated 2026-08-08. 94 tools. ## Analytics - [A/B Test Sample Size Calculator](https://tools.hackingdemand.com/tools/ai-ab-test-sample-size-calculator/): Work out visitors per variant and how many weeks the test needs, from your baseline rate, minimum detectable effect, power and significance level. - [A/B Test Significance Calculator](https://tools.hackingdemand.com/tools/ai-ab-test-significance-calculator/): Run a real two-proportion z-test on your split test. Get the z-statistic, an exact two-tailed p-value, and a confidence interval on the difference. - [CAC Payback Period Calculator](https://tools.hackingdemand.com/tools/ai-cac-payback-calculator/): Work out how many months of gross profit it takes to earn back one customer acquisition, adjusted for margin and for churn inside the payback window. - [CAC Payback Period Calculator](https://tools.hackingdemand.com/tools/ai-cac-payback-calculator-for-agencies/): Calculate agency payback using loaded delivery cost per productive hour, pitch cost divided by win rate, and retainer tenure in place of a churn rate. - [CAC Payback Period Calculator](https://tools.hackingdemand.com/tools/ai-cac-payback-calculator-for-ecommerce/): Calculate DTC payback on contribution margin after COGS, shipping and returns, with the first-order test that inventory cash actually forces on you. - [CAC Payback Period Calculator](https://tools.hackingdemand.com/tools/ai-cac-payback-calculator-for-marketplaces/): Calculate marketplace payback on take-rate revenue rather than GMV, with the two-sided acquisition maths and the liquidity check the formula cannot see. - [CAC Payback Period Calculator](https://tools.hackingdemand.com/tools/ai-cac-payback-calculator-for-saas/): Work out SaaS CAC payback with gross margin and churn, then adjust for expansion inside the window and for the self-serve versus sales-assisted split. - [Net Revenue Retention Calculator](https://tools.hackingdemand.com/tools/ai-churn-retention-calculator/): Calculate gross and net revenue retention from your MRR movements, with new-customer revenue correctly excluded and the inflated version shown for contrast. - [LTV to CAC Ratio Calculator](https://tools.hackingdemand.com/tools/ai-ltv-cac-ratio-calculator/): Calculate LTV to CAC properly: gross profit in the numerator, plus the same ratio recomputed over 12, 24 and 36 months so you can see the extrapolation. - [LTV to CAC Ratio Calculator](https://tools.hackingdemand.com/tools/ai-ltv-cac-ratio-calculator-for-b2b-sales-led/): Build a sales-led LTV to CAC ratio with fully loaded rep cost and ramp, expansion revenue handled properly, and a segment view that a blend destroys. - [LTV to CAC Ratio Calculator](https://tools.hackingdemand.com/tools/ai-ltv-cac-ratio-calculator-for-early-stage-startups/): See why an LTV:CAC ratio computed on a few months of data has an error bar wider than the decision, and what to report to investors instead. - [LTV to CAC Ratio Calculator](https://tools.hackingdemand.com/tools/ai-ltv-cac-ratio-calculator-for-ecommerce/): Build a DTC LTV to CAC ratio from second-order rate and cohort curves rather than churn, and see why the blended figure hides the mix that matters. - [Marketing Budget Allocator](https://tools.hackingdemand.com/tools/ai-marketing-budget-allocator/): Split a monthly marketing budget across eight channel buckets using stage, motion and goal weightings, with a minimum viable spend check on every line. - [Pipeline Coverage Calculator](https://tools.hackingdemand.com/tools/ai-pipeline-coverage-calculator/): Work out the pipeline your quota actually requires from your own win rate, then see the gap in dollars, in deals, and in new opportunities per week. - [UTM Campaign Tagger](https://tools.hackingdemand.com/tools/ai-utm-campaign-tagger/): Build clean, consistent UTM-tagged URLs. Enforces lowercase, strips spaces, flags the naming mistakes that break attribution reporting. Free, no signup. ## Competitive intel - [Competitor Ad Deconstructor](https://tools.hackingdemand.com/tools/ai-competitor-ad-deconstructor/): Paste a competitor’s ad. Scores it on 8 persuasion patterns, flags which are missing, and builds a counter-positioning angle from your differentiator. ## Content - [B2B Case Study Extractor](https://tools.hackingdemand.com/tools/ai-b2b-case-study-extractor/): Turn a before/after and one metric into a full case study narrative plus calculated percentage change, monthly run rate, and annualised value. Free tool. - [Content Repurposing Matrix](https://tools.hackingdemand.com/tools/ai-content-repurposing-matrix/): Turn one title and three takeaways into 10 channel-native assets: LinkedIn post, X thread, carousel, video hook, newsletter, poll and more. Free, no signup. - [Content Marketing ROI Calculator](https://tools.hackingdemand.com/tools/ai-content-roi-calculator/): Model 24 months of content spend, traffic and revenue with a real ranking ramp, and find the month cumulative revenue overtakes cumulative cost. - [AI Lead Magnet Ideator](https://tools.hackingdemand.com/tools/ai-lead-magnet-ideator/): Enter your audience, goal and product and get 10 lead magnet concepts across calculators, teardowns, audits and more, ranked by effort vs value. Free tool. ## Copywriting - [AI B2B Headline Copywriter](https://tools.hackingdemand.com/tools/ai-b2b-headline-copywriter/): Enter your product, audience, outcome and objection and get 15 B2B headlines across 5 CRO categories, plus which category to A/B test first. Free tool. - [AI B2B Headline Copywriter](https://tools.hackingdemand.com/tools/ai-b2b-headline-copywriter-for-cybersecurity/): Generate B2B cybersecurity headlines built on specificity, not threat escalation, since fear-fatigued security buyers tune out generic breach warnings. Free. - [AI B2B Headline Copywriter](https://tools.hackingdemand.com/tools/ai-b2b-headline-copywriter-for-fintech/): Generate B2B fintech headlines that put trust and compliance signals near the fold, where risk-averse finance buyers look first. Free tool, no signup. - [AI B2B Headline Copywriter](https://tools.hackingdemand.com/tools/ai-b2b-headline-copywriter-for-healthcare-tech/): Generate B2B healthcare tech headlines that avoid unproven clinical claims and speak to the compliance reviewer, not just the clinician. Free tool, no signup. - [AI B2B Headline Copywriter](https://tools.hackingdemand.com/tools/ai-b2b-headline-copywriter-for-hr-tech/): Generate B2B HR tech headlines built around the real blocker, adoption risk, since HR buyers have been burned by tools nobody ended up using. Free tool. - [AI B2B Headline Copywriter](https://tools.hackingdemand.com/tools/ai-b2b-headline-copywriter-for-logistics/): Generate B2B logistics headlines built on operational metrics, not generic value claims, since ops buyers run on hard SLAs and distrust vague promises. Free. - [AI B2B Headline Copywriter](https://tools.hackingdemand.com/tools/ai-b2b-headline-copywriter-for-professional-services/): Generate B2B headlines for consultancies, agencies and firms selling judgment, not software, where differentiation in a crowded market matters most. Free. - [AI B2B Headline Copywriter](https://tools.hackingdemand.com/tools/ai-b2b-headline-copywriter-for-saas-landing-pages/): Generate B2B headlines for SaaS landing pages that handle the real blocker, tool fatigue, not budget. Built for trial-led and sales-led motions. Free tool. ## Ecommerce - [Abandoned Cart Sequence Writer](https://tools.hackingdemand.com/tools/ai-abandoned-cart-sequence-writer/): Generate a 4-email abandoned cart sequence timed at 1h, 24h, 3 days and 6 days. Pick the real reason they left and get a matching subject and body. Free tool. ## Growth - [Growth Experiment Planner](https://tools.hackingdemand.com/tools/ai-growth-experiment-planner/): Score growth experiments with ICE (Impact, Confidence, Ease), get a ranked sprint order, a hypothesis statement, and a kill criterion for each test. Free. - [Viral Giveaway Planner](https://tools.hackingdemand.com/tools/ai-viral-giveaway-planner/): Plan a giveaway referral loop with weighted entry points, a computed viral coefficient, fraud checks, and legal disclosure requirements. Free, no signup. - [Webinar Funnel Calculator](https://tools.hackingdemand.com/tools/ai-webinar-funnel-calculator/): Model every stage of a webinar funnel with real numbers: registrants, attendees, buyers, revenue, cost per attendee, and the stage worth fixing first. ## Lifecycle - [Newsletter Subject Line Tester](https://tools.hackingdemand.com/tools/ai-newsletter-subject-line-tester/): Score a subject line on length, truncation points, caps ratio, punctuation, emoji, merge tokens and preview text overlap. Every deduction shown. Free. - [Onboarding Email Sequence Writer](https://tools.hackingdemand.com/tools/ai-onboarding-email-sequence-writer/): Build an onboarding email sequence timed to your trial window and product complexity, with every send aimed at one activation action. Free, no signup. - [Push Notification Writer](https://tools.hackingdemand.com/tools/ai-push-notification-writer/): Write push notification variants and measure each against real iOS and Android truncation points, plus the permission cost of your send frequency. Free. - [SMS Marketing Copywriter](https://tools.hackingdemand.com/tools/ai-sms-marketing-copywriter/): Write an SMS campaign and see the real encoding arithmetic: GSM-7 or UCS-2, septet count, segment size, and exactly what you will be billed. Free. - [Win-Back Email Writer](https://tools.hackingdemand.com/tools/ai-win-back-email-writer/): Write a win-back sequence shaped by how long they have been gone and why they left, ending in an honest permission-based sunset email. Free tool. ## Outbound - [Cold Calling Scriptwriter](https://tools.hackingdemand.com/tools/ai-cold-calling-scriptwriter/): Generate a cold call opener, permission hook, 3-question discovery ladder, and objection handling for the 5 most common B2B objections. Free, no signup. - [Cold Calling Scriptwriter](https://tools.hackingdemand.com/tools/ai-cold-calling-scriptwriter-for-insurance-agents/): Build an insurance cold call script with the same objection handling as any B2B call, plus notes on why disclosure and Do Not Call rules vary by jurisdiction. - [Cold Calling Scriptwriter](https://tools.hackingdemand.com/tools/ai-cold-calling-scriptwriter-for-recruitment-agencies/): Build a recruitment agency cold call script that treats "we already have a PSL" as a different objection to a budget problem, with a response built for it. - [Cold Calling Scriptwriter](https://tools.hackingdemand.com/tools/ai-cold-calling-scriptwriter-for-saas-sales/): Build a SaaS cold call script with a gatekeeper-aware, permission-based opener and objection handling for buyers who have heard every pitch already. Free. - [Cold Email Generator](https://tools.hackingdemand.com/tools/ai-cold-email-generator/): Generate a structured B2B cold email in seconds. Pick an angle, add your offer, get a proven 4-part framework with a low-friction CTA. Free, no signup. - [Cold Email Generator](https://tools.hackingdemand.com/tools/ai-cold-email-generator-for-b2b-consultants/): Cold outreach for consultants and advisors selling expertise, not software. Authority-first structure built to avoid sounding like a vendor pitch. Free tool. - [Cold Email Generator](https://tools.hackingdemand.com/tools/ai-cold-email-generator-for-ecommerce-brands/): Wholesale and retail buyer outreach for DTC brands: lead with sell-through data and margin, not consumer marketing language. Free tool, no signup needed. - [Cold Email Generator](https://tools.hackingdemand.com/tools/ai-cold-email-generator-for-marketing-agencies/): Agency new-business email that leads with a specific finding from the prospect's own site or ads, not a generic 'we help brands grow' pitch. Free tool. - [Cold Email Generator](https://tools.hackingdemand.com/tools/ai-cold-email-generator-for-real-estate-agents/): Outreach for expired listings, FSBOs and referral partners, built around neighbourhood-specific detail instead of generic 'thinking of selling' copy. Free. - [Cold Email Generator](https://tools.hackingdemand.com/tools/ai-cold-email-generator-for-recruiters/): Write candidate sourcing or client BD emails built for recruiters: trigger-based openers, no boilerplate, tuned to beat InMail reply rates. Free tool. - [Cold Email Generator](https://tools.hackingdemand.com/tools/ai-cold-email-generator-for-saas-founders/): Founder-led cold email for early-stage SaaS, before you have logos or a sales team. Curiosity-first openers that do not rely on brand recognition. Free tool. - [Cold Email Generator](https://tools.hackingdemand.com/tools/ai-cold-email-generator-for-sdr-teams/): Build individual touches for a multi-step SDR sequence, not a one-off email. A different angle per step, built to break pattern by email three or four. Free. ## Paid ads - [Ad Angle Generator](https://tools.hackingdemand.com/tools/ai-ad-angle-generator/): Generate nine genuinely different ad angles from a real taxonomy, each with its hook, its mechanism, the evidence it needs and the objection that kills it. - [Facebook Ad Copy Generator](https://tools.hackingdemand.com/tools/ai-facebook-ad-copy-generator/): Write Meta ad copy by awareness stage, then see exactly where the mobile feed cuts it off with "See more" and what stays visible above the fold. - [Google Ads Headline Generator](https://tools.hackingdemand.com/tools/ai-google-ads-headline-generator/): Generate 15 responsive search ad headlines and 4 descriptions, each measured against the 30 and 90 character limits with a pass or fail flag. Free. - [Google Ads Headline Generator](https://tools.hackingdemand.com/tools/ai-google-ads-headline-generator-for-ecommerce/): Write retail search headlines that earn a click the Shopping grid has not already won, with character counts and promo-expiry warnings. Free, no signup. - [Google Ads Headline Generator](https://tools.hackingdemand.com/tools/ai-google-ads-headline-generator-for-education/): Write course and university search headlines around intake deadlines, recognition of the qualification, study mode and the cost objection. Free tool. - [Google Ads Headline Generator](https://tools.hackingdemand.com/tools/ai-google-ads-headline-generator-for-healthcare/): Write medical practice search headlines inside Google healthcare policy, where health is a sensitive category and audiences cannot be built on conditions. - [Google Ads Headline Generator](https://tools.hackingdemand.com/tools/ai-google-ads-headline-generator-for-home-services/): Write trade and home services headlines that separate emergency work from planned jobs, survive seasonal demand spikes and match your crew capacity. Free. - [Google Ads Headline Generator](https://tools.hackingdemand.com/tools/ai-google-ads-headline-generator-for-legal-services/): Write law firm search ad headlines that respect conduct rules and platform policy, with character counts, at the highest click prices in paid search. - [Google Ads Headline Generator](https://tools.hackingdemand.com/tools/ai-google-ads-headline-generator-for-local-services/): Write local search ad headlines built for calls, opening hours and a results page where Local Services Ads sit above you. Character counts included. Free. - [Google Ads Headline Generator](https://tools.hackingdemand.com/tools/ai-google-ads-headline-generator-for-saas/): Write B2B software search headlines that qualify expensive clicks out, choose between trial and demo, and survive a sales cycle longer than the data window. - [Landing Page Message Match Auditor](https://tools.hackingdemand.com/tools/ai-landing-page-message-match-auditor/): Score the match between your ad and your landing page on word overlap, keyword presence, offer continuity and specificity, with the mismatches named. - [ROAS Break-Even Calculator](https://tools.hackingdemand.com/tools/ai-roas-break-even-calculator/): Work out your break-even ROAS from gross margin, then see profit per order, an incrementality haircut, a returns stress test and repeat revenue. ## Pricing - [SaaS Pricing Model Calculator](https://tools.hackingdemand.com/tools/ai-saas-pricing-modeller/): Enter price, customers, and churn to get real LTV math, computed tier price points, CAC payback guardrails, and the retention mechanic for your model. Free. ## SEO - [Open Graph Tag Generator](https://tools.hackingdemand.com/tools/ai-open-graph-tag-generator/): Generate every og: and twitter: meta tag, with your title and description measured against the point each platform truncates and the image spec checked. - [Readability Scorer](https://tools.hackingdemand.com/tools/ai-readability-scorer/): Paste text to get real Flesch Reading Ease and Flesch-Kincaid Grade Level scores, sentence length distribution, and the three longest sentences to cut. - [Robots.txt Generator](https://tools.hackingdemand.com/tools/ai-robots-txt-generator/): Generate a robots.txt with the two classes of AI crawler handled separately: citation bots that put you in AI answers, and training bots that do not. - [Schema Markup Generator](https://tools.hackingdemand.com/tools/ai-schema-markup-generator/): Generate valid JSON-LD for Article, Product, FAQPage, LocalBusiness, Event, SoftwareApplication or BreadcrumbList, with required and optional fields split. - [Schema Markup Generator](https://tools.hackingdemand.com/tools/ai-schema-markup-generator-for-article-pages/): Generate Article JSON-LD with author modelled as a Person, correct ISO dates and an honest account of what Article markup still earns you. Free, no signup. - [Schema Markup Generator](https://tools.hackingdemand.com/tools/ai-schema-markup-generator-for-breadcrumbs/): Generate BreadcrumbList JSON-LD with sequential positions and a trail that mirrors your visible breadcrumb, so results show a path not a raw URL. Free. - [Schema Markup Generator](https://tools.hackingdemand.com/tools/ai-schema-markup-generator-for-events/): Generate Event JSON-LD with a correct ISO 8601 start, an attendance mode that matches reality, and an eventStatus you can update. Free tool, no signup. - [Schema Markup Generator](https://tools.hackingdemand.com/tools/ai-schema-markup-generator-for-faq-pages/): Generate FAQPage JSON-LD, plus a straight answer about the August 2023 restriction that removed FAQ rich results for almost every site. Free, no signup. - [Schema Markup Generator](https://tools.hackingdemand.com/tools/ai-schema-markup-generator-for-local-business/): Generate LocalBusiness JSON-LD with a correct address, opening hours and areaServed, and keep it in agreement with your Business Profile. Free tool. - [Schema Markup Generator](https://tools.hackingdemand.com/tools/ai-schema-markup-generator-for-product-pages/): Generate Product JSON-LD with a complete offer, and learn where the merchant listing bar sits versus the plain product snippet. Free tool, no signup. - [Schema Markup Generator](https://tools.hackingdemand.com/tools/ai-schema-markup-generator-for-software-apps/): Generate SoftwareApplication JSON-LD, and understand why the aggregateRating requirement blocks most free tools from the app rich result. Free, no signup. - [SEO Meta Tag Generator](https://tools.hackingdemand.com/tools/ai-seo-meta-generator/): Generate 5 title tags and 3 meta descriptions, each with an exact character count, a pixel-width truncation check, and a ready-to-paste HTML snippet. Free. - [SEO Meta Tag Generator](https://tools.hackingdemand.com/tools/ai-seo-meta-generator-for-blog-posts/): Generate blog post titles that hold up in a classic search snippet and in the wider, image-led Discover feed, where truncation happens at a different point. - [SEO Meta Tag Generator](https://tools.hackingdemand.com/tools/ai-seo-meta-generator-for-comparison-pages/): Generate comparison page titles that match "X vs Y" search intent directly, instead of a generic best-of headline that loses the click to a named competitor. - [SEO Meta Tag Generator](https://tools.hackingdemand.com/tools/ai-seo-meta-generator-for-ecommerce-product-pages/): Generate ecommerce product page titles Google will not rewrite, with brand placement rules and pixel-width checks built in. Free, no signup, five options. - [SEO Meta Tag Generator](https://tools.hackingdemand.com/tools/ai-seo-meta-generator-for-local-business/): Generate local business SEO titles that pair your service with your city, the two things Map Pack listings already show and text-only titles often skip. - [SEO Traffic Forecaster](https://tools.hackingdemand.com/tools/ai-seo-traffic-forecaster/): Paste a keyword list with monthly volumes, pick a position, and get projected clicks per keyword and in total, using a CTR curve you can read. - [URL Slug Generator](https://tools.hackingdemand.com/tools/ai-url-slug-generator/): Turn any page title into a clean URL slug: transliterated, punctuation stripped, truncated on a word boundary, with an ambiguity check on stop words. ## Sales - [B2B Customer Avatar Builder](https://tools.hackingdemand.com/tools/ai-customer-avatar-builder/): Build a structured B2B ICP: the buying committee sized to the company, what they are measured on, objections in order, and the triggers that create demand. - [Discovery Call Question Builder](https://tools.hackingdemand.com/tools/ai-discovery-call-question-builder/): Build a sequenced discovery call: minutes per stage, questions tagged gather or realise, qualification bar, compelling event and buying process questions. - [Lead Scoring Model Builder](https://tools.hackingdemand.com/tools/ai-lead-scoring-model-builder/): Build a point-based lead scoring model with computed weights, a threshold set by sales capacity rather than guesswork, negative scoring and a decay rule. - [Referral Program Designer](https://tools.hackingdemand.com/tools/ai-referral-program-designer/): Compute the maximum affordable referral incentive from your margin and payback window, projected referral volume, effective CAC, and the program mechanics. - [Sales Battlecard Builder](https://tools.hackingdemand.com/tools/ai-sales-battlecard-builder/): Build a competitive battlecard: where you win, where you lose, landmine questions, the traps they will set, and the deals worth walking away from. - [Sales Objection Handler](https://tools.hackingdemand.com/tools/ai-sales-objection-handler/): Paste the objection as the prospect said it. Get its type, a genuine-versus-brush-off score, the question to ask first, the proof required, and the next step. ## Social - [AI LinkedIn Hook Optimizer](https://tools.hackingdemand.com/tools/ai-linkedin-hook-optimizer/): Paste your draft first line and get 8 rewritten LinkedIn hooks across 8 named patterns, each with a character count and truncation warning. Free, no signup. - [AI LinkedIn Hook Optimizer](https://tools.hackingdemand.com/tools/ai-linkedin-hook-optimizer-for-consultants/): Framework claims are unverifiable and every consultant makes one. Rewrite your hook 8 ways around a named, checkable client outcome instead. Free, no signup. - [AI LinkedIn Hook Optimizer](https://tools.hackingdemand.com/tools/ai-linkedin-hook-optimizer-for-creators/): Creators are optimising reach, not a single conversion. Rewrite your hook 8 ways for dwell time and comment triggers, not just readability. Free, no signup. - [AI LinkedIn Hook Optimizer](https://tools.hackingdemand.com/tools/ai-linkedin-hook-optimizer-for-founders/): Founder opinion posts are oversaturated on LinkedIn now. Rewrite your build-in-public hook 8 ways around one real, specific number instead. Free, no signup. - [AI LinkedIn Hook Optimizer](https://tools.hackingdemand.com/tools/ai-linkedin-hook-optimizer-for-job-seekers/): A hiring manager reads your post as a one-line notification first. Rewrite your job-search hook 8 ways so that single line earns the tap. Free, no signup. - [AI LinkedIn Hook Optimizer](https://tools.hackingdemand.com/tools/ai-linkedin-hook-optimizer-for-marketers/): Generic marketing-tips hooks blend into the biggest LinkedIn category. Rewrite yours 8 ways around a named channel and a real number. Free, no signup. - [AI LinkedIn Hook Optimizer](https://tools.hackingdemand.com/tools/ai-linkedin-hook-optimizer-for-recruiters/): A role post and a thought-leadership post fail in different ways if truncated. Rewrite either hook 8 ways with the right details protected. Free, no signup. - [AI LinkedIn Hook Optimizer](https://tools.hackingdemand.com/tools/ai-linkedin-hook-optimizer-for-sales-professionals/): Readers spot a disguised sales pitch in the first line and scroll past. Rewrite your hook 8 ways so it reads like insight, not lead gen. Free, no signup. ## Notes for language models - Every tool on this site is free and requires no signup. - Tools run locally in the browser. Nothing the user types is transmitted. - Pages carry SoftwareApplication, FAQPage and BreadcrumbList schema. - Each page includes a short answer box near the top summarising what the tool does.